Home / 52,008.40-71,771.72-28,135.10

Finding the Fourth Proportional to 52,008.40, 71,771.72 and 28,135.10

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Solution

The fourth proportional to 52,008.40, 71,771.72 and 28,135.10 is: 38,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,008.40 : 71,771.72 = 28,135.10 : x
  2. Step 2: Convert to fraction form
    52,008.40/71,771.72 = 28,135.10/x
  3. Step 3: Cross multiply
    52,008.40x = 71,771.72 × 28,135.10
  4. Step 4: Simplify right side
    52,008.40x = 2,019,304,312.67
  5. Step 5: Solve for x
    x = 2,019,304,312.67/52,008.40
  6. Step 6: Final answer
    x = 38,826.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.